Gernsback, Sidney Experimental Electricity Course in Twenty Lessons

Gernsback, Hugo 1884-1967 Amazing Stories Volume 01 Number 04

Gernsback, Sidney 1876- A Thousand and One Formulas; the Laboratory Handbook for the Experimenter

Gernsback, Hugo 1884-1967 Amazing Stories Volume 02 Number 09

Gernsback, Hugo Amazing Stories Volume 01 Number 01